Sigma rule: CodeIntegrity - Unmet WHQL Requirements For Loaded Kernel Module

Rule

Title

CodeIntegrity - Unmet WHQL Requirements For Loaded Kernel Module

Status

test

Level

high

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2023-06-06

Modified

2023-06-14

File

rules/windows/builtin/code_integrity/win_codeintegrity_whql_failure.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects loaded kernel modules that did not meet the WHQL signing requirements.

Log source

product

windows

service

codeintegrity-operational

Detection

selection:
    EventID:
        - 3082 # Code Integrity determined kernel module %2 that did not meet the WHQL requirements is loaded into the system. However, due to code integrity auditing policy, the image was allowed to load
        - 3083 # Code Integrity determined kernel module %2 that did not meet the WHQL requirements is loaded into the system. Check with the publisher to see if a WHQL compliant kernel module is available
filter_optional_vmware:
    FileNameBuffer:
        - 'system32\drivers\vsock.sys'
        - 'System32\drivers\vmci.sys'
condition: selection and not 1 of filter_optional_*

False positives (as the rule lists them)

• Unlikely

Tags

• attack.privilege-escalation

References

• https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations
• https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-tag-explanations
• Internal Research

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/code_integrity/win_codeintegrity_whql_failure.yml